Updated to fedora-glibc-2_3-20051023T0123cvs/fedora-glibc-2_3_5-0_fc3_8

20 files changed, 288 insertions, 105 deletions

diff --git a/ChangeLog b/ChangeLog
index 7bcd7a7b4c..06c104f910 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,49 @@
+2005-10-22  Roland McGrath  <roland@redhat.com>
+
+	* README.template: Remove GCC 4 note.
+	* NEWS: Add 2.3.6 items.
+
+2005-10-22  Roland McGrath  <roland@frob.com>
+
+	[BZ #1254]
+	* sysdeps/mach/hurd/getpeername.c (__getpeername): Fix last change.
+	From Samuel Thibault <samuel.thibault@ens-lyon.org>.
+
+2005-10-17  Thomas Schwinge  <tschwinge@gnu.org>
+
+	[BZ #1252]
+	* hurd/intr-msg.c (_hurd_intr_rpc_mach_msg): Don't use ?: as lvalue.
+	* sysdeps/mach/hurd/ioctl.c (__ioctl): Likewise.
+
+2005-08-23  GOTO Masanori  <gotom@debian.or.jp>
+
+	[BZ #1498]
+	* sysdeps/alpha/remqu.S: Return the correct result when the same
+	dividend and divisor are provided, and they're negative numbers.
+	* sysdeps/alpha/divqu.S: Likewise.
+
+2005-10-16  Roland McGrath  <roland@frob.com>
+
+	[BZ #1254]
+	* sysdeps/mach/hurd/getpeername.c (__getpeername): Respect *LEN
+	byte limit when setting ADDR->sa_family.
+	Reported by Samuel Thibault <samuel.thibault@ens-lyon.org>.
+
+	[BZ #1253]
+	* sysdeps/mach/hurd/dl-sysdep.h
+	[SHARED] (DL_ARGV_NOT_RELRO): New macro.
+
+	[BZ #1253]
+	* sysdeps/mach/hurd/i386/init-first.c (init): Make cast kosher.
+	(_hurd_stack_setup): Don't declare with arguments and ellipsis.
+	Use __builtin_frame_address and __builtin_return_address.
+	(_dl_init_first): Likewise.
+
+	[BZ #1249]
+	* sysdeps/mach/hurd/i386/init-first.c (_cthread_init_routine): Declare
+	as weak extern.
+	(init): Check for it being undefined.
+
 2005-08-05  Alfred M. Szmidt  <ams@gnu.org>
 
 	[BZ #1252]
@@ -83,6 +129,18 @@
 	* sysdeps/powerpc/fpu/libm-test-ulps: Adjust expected y1, y1f, yn,
 	ynf results.
 
+2005-07-24  Ulrich Drepper  <drepper@redhat.com>
+
+	[BZ #1125]
+	* posix/Makefile (tests): Add tst-execvp4.
+	* posix/tst-execvp4.c: New file.
+
+2005-07-24  Jakub Jelinek  <jakub@redhat.com>
+
+	[BZ #1125]
+	* posix/execvp.c (execvp): Change path_malloc to
+	char *, free that pointer on failure.
+
 2005-07-20  Ulrich Drepper  <drepper@redhat.com>
 
 	[BZ #1138]
@@ -962,6 +1020,21 @@
 	* malloc/arena.c: #include <stdbool.h> outside of [SHARED &&
 	USE_TLS && !USE___THREAD].
 
+2004-11-11  Richard Sandiford  <rsandifo@redhat.com>
+
+	[BZ #758]
+	* sysdeps/unix/sysv/linux/mips/configure.in (asm-unistd.h): Only
+	preprocess <asm/unistd.h> if it defines ABI-prefixed syscall names
+	like __NR_N32_open.  Just include <asm/unistd.h> otherwise.
+	* sysdeps/unix/sysv/linux/mips/configure: Regenerate.
+	* sysdeps/unix/sysv/linux/mips/mips32/kern64/sysdep.h: Delete
+	* sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h (SYS_ify): Use the
+	standard __NR prefix.
+	* sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h (SYS_ify): Likewise.
+	* sysdeps/unix/sysv/linux/mips/Makefile (syscall-%.h): Rework so that
+	the output file is compatible with both pre-2.6 and 2.6 kernel headers.
+	Extract separate syscall lists for each ABI.
+
 2005-02-23  Ulrich Drepper  <drepper@redhat.com>
 
 	[BZ #719]
diff --git a/NEWS b/NEWS
index b66392c127..7db8a26c7c 100644
--- a/NEWS
+++ b/NEWS
@@ -1,10 +1,27 @@
-GNU C Library NEWS -- history of user-visible changes.  2005-04-05
+GNU C Library NEWS -- history of user-visible changes.  2005-10-22
 Copyright (C) 1992-2002,2003,2004,2005 Free Software Foundation, Inc.
 See the end for copying conditions.
 
 Please send GNU C library bug reports via <http://sources.redhat.com/bugzilla/>
 using `glibc' in the "product" field.
 
+Version 2.3.6
+
+* The following bugs are resolved with this release:
+
+  38, 253, 549, 622, 653, 721, 758, 851, 877, 915, 934, 955, 961,
+  1016, 1037, 1076, 1079, 1080, 1081, 1082, 1083, 1084, 1085, 1086,
+  1087, 1088, 1090, 1091, 1092, 1093, 1094, 1095, 1096, 1097, 1098,
+  1099, 1100, 1101, 1102, 1103, 1104, 1105, 1106, 1107, 1108, 1109,
+  1110, 1111, 1112, 1113, 1125, 1137, 1138, 1249, 1250, 1251, 1252,
+  1253, 1254, 1350, 1358, 1394, 1438, 1498
+
+  Visit <http://sources.redhat.com/bugzilla/> for the details of each bug.
+
+* As of this release, GCC 4 can be used to compile the C Library.
+
+* Timezone data updated to 2005m version.
+
 Version 2.3.5
 
 * The following bugs are resolved with this release:
@@ -1495,7 +1512,8 @@ Version 1.04
 ----------------------------------------------------------------------
 Copyright information:
 
-Copyright (C) 1992-1999,2000,2001,2002 Free Software Foundation, Inc.
+Copyright (C) 1992-1999,2000,2001,2002,2003,2004,2005
+	Free Software Foundation, Inc.
 
    Permission is granted to anyone to make or distribute verbatim copies
    of this document as received, in any medium, provided that the
diff --git a/README.template b/README.template
index 5751d6a7e3..d501d718df 100644
--- a/README.template
+++ b/README.template
@@ -2,9 +2,6 @@ This directory contains the version VERSION release of the GNU C Library.
 Many bugs have been fixed since the last release.
 Some bugs surely remain.
 
-Please note that version VERSION cannot be built with GCC 4!
-The next release will be compatible with the newer compiler.
-
 As of this release, the GNU C library is known to run on the following
 configurations:
 
diff --git a/fedora/branch.mk b/fedora/branch.mk
index 63cadb108d..ff8558fa35 100644
--- a/fedora/branch.mk
+++ b/fedora/branch.mk
@@ -3,5 +3,5 @@ glibc-branch := fedora-2_3
 glibc-base := glibc-2_3-branch
 DIST_BRANCH := FC-3
 COLLECTION := dist-fc3-updates-candidate
-fedora-2_3-sync-date := 2005-10-17 05:18 UTC
-fedora-2_3-sync-tag := fedora-glibc-2_3-20051017T0518
+fedora-2_3-sync-date := 2005-10-23 01:23 UTC
+fedora-2_3-sync-tag := fedora-glibc-2_3-20051023T0123
diff --git a/hurd/intr-msg.c b/hurd/intr-msg.c
index e75fca81fb..0ca6af3580 100644
--- a/hurd/intr-msg.c
+++ b/hurd/intr-msg.c
@@ -1,5 +1,6 @@
 /* Replacement for mach_msg used in interruptible Hurd RPCs.
-   Copyright (C) 1995,96,97,98,99,2000,01,02 Free Software Foundation, Inc.
+   Copyright (C) 1995,96,97,98,99,2000,2001,2002,2005
+	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -201,9 +202,10 @@ _hurd_intr_rpc_mach_msg (mach_msg_header_t *msg,
 		    case MACH_MSG_TYPE_MOVE_SEND:
 		      for (i = 0; i < number; i++)
 			__mach_port_deallocate (__mach_task_self (), *ports++);
-		      (ty->msgtl_header.msgt_longform
-		       ? ty->msgtl_name : ty->msgtl_header.msgt_name)
-			= MACH_MSG_TYPE_COPY_SEND;
+		      if (ty->msgtl_header.msgt_longform)
+			ty->msgtl_name = MACH_MSG_TYPE_COPY_SEND;
+		      else
+			ty->msgtl_header.msgt_name = MACH_MSG_TYPE_COPY_SEND;
 		      break;
 		    case MACH_MSG_TYPE_COPY_SEND:
 		    case MACH_MSG_TYPE_MOVE_RECEIVE:
@@ -223,29 +225,29 @@ _hurd_intr_rpc_mach_msg (mach_msg_header_t *msg,
 		  name = ty->msgtl_name;
 		  size = ty->msgtl_size;
 		  number = ty->msgtl_number;
-		  (char *) ty += sizeof (mach_msg_type_long_t);
+		  ty = (void *) ty + sizeof (mach_msg_type_long_t);
 		}
 	      else
 		{
 		  name = ty->msgtl_header.msgt_name;
 		  size = ty->msgtl_header.msgt_size;
 		  number = ty->msgtl_header.msgt_number;
-		  (char *) ty += sizeof (mach_msg_type_t);
+		  ty = (void *) ty + sizeof (mach_msg_type_t);
 		}
 
 	      if (ty->msgtl_header.msgt_inline)
 		{
 		  clean_ports ((void *) ty, 0);
 		  /* calculate length of data in bytes, rounding up */
-		  (char *) ty += (((((number * size) + 7) >> 3)
-				   + sizeof (mach_msg_type_t) - 1)
-				  &~ (sizeof (mach_msg_type_t) - 1));
+		  ty = (void *) ty + (((((number * size) + 7) >> 3)
+				       + sizeof (mach_msg_type_t) - 1)
+				      &~ (sizeof (mach_msg_type_t) - 1));
 		}
 	      else
 		{
 		  clean_ports (*(void **) ty,
 			       ty->msgtl_header.msgt_deallocate);
-		  ++(void **) ty;
+		  ty = (void *) ty + sizeof (void *);
 		}
 	    }
 #else  /* Untyped Mach IPC flavor. */
diff --git a/posix/Makefile b/posix/Makefile
index e62d4751fd..0c3eacf39d 100644
--- a/posix/Makefile
+++ b/posix/Makefile
@@ -87,7 +87,7 @@ tests		:= tstgetopt testfnm runtests runptests	     \
 		   tst-execvp1 tst-execvp2 tst-execlp1 tst-execlp2 \
 		   tst-execv1 tst-execv2 tst-execl1 tst-execl2 \
 		   tst-execve1 tst-execve2 tst-execle1 tst-execle2 \
-		   tst-execvp3
+		   tst-execvp3 tst-execvp4
 xtests		:= bug-ga2
 ifeq (yes,$(build-shared))
 test-srcs	:= globtest
diff --git a/posix/execvp.c b/posix/execvp.c
index 6f4e4b8566..8421bd048f 100644
--- a/posix/execvp.c
+++ b/posix/execvp.c
@@ -88,7 +88,7 @@ execvp (file, argv)
   else
     {
       char *path = getenv ("PATH");
-      bool path_malloc = false;
+      char *path_malloc = NULL;
       if (path == NULL)
 	{
 	  /* There is no `PATH' in the environment.
@@ -100,7 +100,7 @@ execvp (file, argv)
 	    return -1;
 	  path[0] = ':';
 	  (void) confstr (_CS_PATH, path + 1, len);
-	  path_malloc = true;
+	  path_malloc = path;
 	}
 
       size_t len = strlen (file) + 1;
@@ -108,8 +108,7 @@ execvp (file, argv)
       char *name = malloc (pathlen + len + 1);
       if (name == NULL)
 	{
-	  if (path_malloc)
-	    free (path);
+	  free (path_malloc);
 	  return -1;
 	}
       /* Copy the file name at the top.  */
@@ -190,8 +189,7 @@ execvp (file, argv)
 
       free (script_argv);
       free (name - pathlen);
-      if (path_malloc)
-	free (path);
+      free (path_malloc);
     }
 
   /* Return the error from the last attempt (probably ENOENT).  */
diff --git a/posix/tst-execvp4.c b/posix/tst-execvp4.c
new file mode 100644
index 0000000000..531fab227b
--- /dev/null
+++ b/posix/tst-execvp4.c
@@ -0,0 +1,35 @@
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/stat.h>
+
+static int
+do_test (void)
+{
+  char buf[40] = "/usr/bin/does-not-exist";
+  size_t stemlen = strlen (buf);
+  struct stat64 st;
+  int cnt = 0;
+  while (stat64 (buf, &st) != -1 || errno != ENOENT
+	 || stat64 (buf + 4, &st) != -1 || errno != ENOENT)
+    {
+      if (cnt++ == 100)
+	{
+	  puts ("cannot find a unique file name");
+	  return 0;
+	}
+
+      strcpy (buf + stemlen, ".XXXXXX");
+      mktemp (buf);
+    }
+
+  unsetenv ("PATH");
+  char *argv[] = { buf + 9, NULL };
+  execvp (argv[0], argv);
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
diff --git a/sysdeps/alpha/divqu.S b/sysdeps/alpha/divqu.S
index fc00fa133c..03e29aa5e6 100644
--- a/sysdeps/alpha/divqu.S
+++ b/sysdeps/alpha/divqu.S
@@ -240,7 +240,7 @@ $y_is_neg:
 	/* If we get here, Y is so big that bit 63 is set.  The results
 	   from the divide will be completely wrong.  Fortunately, the
 	   quotient must be either 0 or 1, so just compute it directly.  */
-	cmpult	Y, X, RV
+	cmpule	Y, X, RV
 	excb
 	mt_fpcr	$f3
 	ldt	$f0, 0(sp)
diff --git a/sysdeps/alpha/remqu.S b/sysdeps/alpha/remqu.S
index bfa78dff57..d3383f2ed5 100644
--- a/sysdeps/alpha/remqu.S
+++ b/sysdeps/alpha/remqu.S
@@ -246,7 +246,7 @@ $y_is_neg:
 	   from the divide will be completely wrong.  Fortunately, the
 	   quotient must be either 0 or 1, so the remainder must be X
 	   or X-Y, so just compute it directly.  */
-	cmpult	Y, X, AT
+	cmpule	Y, X, AT
 	subq	X, Y, RV
 	ldt	$f0, 0(sp)
 	cmoveq	AT, X, RV
diff --git a/sysdeps/mach/hurd/dl-sysdep.h b/sysdeps/mach/hurd/dl-sysdep.h
index 2dc9b0a910..4b21b779ef 100644
--- a/sysdeps/mach/hurd/dl-sysdep.h
+++ b/sysdeps/mach/hurd/dl-sysdep.h
@@ -1,5 +1,5 @@
 /* System-specific settings for dynamic linker code.  Hurd version.
-   Copyright (C) 2002 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -23,3 +23,9 @@
    (open, mmap, etc).  */
 
 #define RTLD_PRIVATE_ERRNO 0
+
+#ifdef SHARED
+/* _dl_argv cannot be attribute_relro, because the stack-switching
+   libc initializer for using cthreads might write into it.  */
+# define DL_ARGV_NOT_RELRO 1
+#endif
diff --git a/sysdeps/mach/hurd/getpeername.c b/sysdeps/mach/hurd/getpeername.c
index 2e4f9f6a9d..325b6fd75d 100644
--- a/sysdeps/mach/hurd/getpeername.c
+++ b/sysdeps/mach/hurd/getpeername.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992, 1994, 1997, 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1992,1994,1997,1999,2000,2005 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -47,14 +47,22 @@ __getpeername (int fd, __SOCKADDR_ARG addrarg, socklen_t *len)
 
   if (*len > buflen)
     *len = buflen;
-  
+
   if (buf != (char *) addr)
     {
       memcpy (addr, buf, *len);
       __vm_deallocate (__mach_task_self (), (vm_address_t) buf, buflen);
     }
 
-  addr->sa_family = type;
+  const sa_family_t family = type;
+  if (*len > offsetof (struct sockaddr, sa_family))
+    {
+      if (*len < (char *) (&addr->sa_family + 1) - (char *) addr)
+	memcpy (&addr->sa_family, &family,
+		*len - offsetof (struct sockaddr, sa_family));
+      else
+	addr->sa_family = family;
+    }
 
   return 0;
 }
diff --git a/sysdeps/mach/hurd/i386/init-first.c b/sysdeps/mach/hurd/i386/init-first.c
index caa232026d..f9a7a58deb 100644
--- a/sysdeps/mach/hurd/i386/init-first.c
+++ b/sysdeps/mach/hurd/i386/init-first.c
@@ -1,5 +1,6 @@
 /* Initialization code run first thing by the ELF startup code.  For i386/Hurd.
-   Copyright (C) 1995,96,97,98,99,2000,01,02,03,04 Free Software Foundation, Inc.
+   Copyright (C) 1995,96,97,98,99,2000,01,02,03,04,05
+	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -54,7 +55,7 @@ extern int __libc_argc attribute_hidden;
 extern char **__libc_argv attribute_hidden;
 extern char **_dl_argv;
 
-void *(*_cthread_init_routine) (void); /* Returns new SP to use.  */
+extern void *(*_cthread_init_routine) (void) __attribute__ ((weak));
 void (*_cthread_exit_routine) (int status) __attribute__ ((__noreturn__));
 
 /* Things that want to be run before _hurd_init or much anything else.
@@ -203,7 +204,7 @@ init (int *data)
      code as the return address, and the argument data immediately above
      that on the stack.  */
 
-  if (_cthread_init_routine)
+  if (&_cthread_init_routine && _cthread_init_routine)
     {
       /* Initialize cthreads, which will allocate us a new stack to run on.  */
       int *newsp = (*_cthread_init_routine) ();
@@ -271,7 +272,7 @@ init (int *data)
       /* The argument data is just above the stack frame we will unwind by
 	 returning.  Mutate our own return address to run the code below.  */
       usercode = data[-1];
-      ((void **) data)[-1] = call_init1;
+      data[-1] = (int) &call_init1;
       /* Force USERCODE into %eax and &init1 into %ecx, which are not
 	 restored by function return.  */
       asm volatile ("# a %0 c %1" : : "a" (usercode), "c" (&init1));
@@ -319,11 +320,11 @@ first_init (void)
    stack set up just as the user will see it, so it can switch stacks.  */
 
 void
-_dl_init_first (int argc, ...)
+_dl_init_first (void)
 {
   first_init ();
 
-  init (&argc);
+  init ((int *) __builtin_frame_address (0) + 2);
 }
 #endif
 
@@ -350,21 +351,23 @@ strong_alias (posixland_init, __libc_init_first);
    This poorly-named function is called by static-start.S,
    which should not exist at all.  */
 void
-_hurd_stack_setup (volatile int argc, ...)
+_hurd_stack_setup (void)
 {
+  intptr_t caller = (intptr_t) __builtin_return_address (0);
+
   void doinit (intptr_t *data)
     {
       /* This function gets called with the argument data at TOS.  */
-      void doinit1 (volatile int argc, ...)
+      void doinit1 (void)
 	{
-	  init ((int *) &argc);
+	  init ((int *) __builtin_frame_address (0) + 2);
 	}
 
       /* Push the user return address after the argument data, and then
          jump to `doinit1' (above), so it is as if __libc_init_first's
          caller had called `doinit1' with the argument data already on the
          stack.  */
-      *--data = (&argc)[-1];
+      *--data = caller;
       asm volatile ("movl %0, %%esp\n" /* Switch to new outermost stack.  */
 		    "movl $0, %%ebp\n" /* Clear outermost frame pointer.  */
 		    "jmp *%1" : : "r" (data), "r" (&doinit1) : "sp");
@@ -373,7 +376,7 @@ _hurd_stack_setup (volatile int argc, ...)
 
   first_init ();
 
-  _hurd_startup ((void **) &argc, &doinit);
+  _hurd_startup ((void **) __builtin_frame_address (0) + 2, &doinit);
 }
 #endif
 
diff --git a/sysdeps/mach/hurd/ioctl.c b/sysdeps/mach/hurd/ioctl.c
index 3d590d5845..6a540241a4 100644
--- a/sysdeps/mach/hurd/ioctl.c
+++ b/sysdeps/mach/hurd/ioctl.c
@@ -1,4 +1,5 @@
-/* Copyright (C) 1992,93,94,95,96,97,99,2000,02 Free Software Foundation, Inc.
+/* Copyright (C) 1992,93,94,95,96,97,99,2000,2002,2005
+	Free Software Foundation, Inc.
    This file is part of the GNU C Library.
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -136,9 +137,11 @@ __ioctl (int fd, unsigned long int request, ...)
 	     Rather than pointing to the value, ARG is the value itself.  */
 #ifdef MACH_MSG_TYPE_BIT
 	  *t++ = io2mach_type (1, _IOTS (integer_t));
-	  *((integer_t *) t)++ = (integer_t) arg;
+	  *(integer_t *) t = (integer_t) arg;
+	  t = (void *) t + sizeof (integer_t);
 #else
-	  *((integer_t *) p)++ = (integer_t) arg;
+	  *(integer_t *) p = (integer_t) arg;
+	  p = (void *) p + sizeof (integer_t);
 #endif
 	}
 
diff --git a/sysdeps/unix/sysv/linux/mips/Makefile b/sysdeps/unix/sysv/linux/mips/Makefile
index d5e4f6b72d..b53745dbc4 100644
--- a/sysdeps/unix/sysv/linux/mips/Makefile
+++ b/sysdeps/unix/sysv/linux/mips/Makefile
@@ -9,11 +9,73 @@ sysdep_headers += sys/cachectl.h sys/sysmips.h sys/tas.h
 
 no_syscall_list_h = 1
 
-# Generate the list of SYS_* macros for the system calls (__NR_* macros).
-# We generate not only SYS_<syscall>, pointing at SYS_<abi>_<syscall> if
-# it exists, but also define SYS_<abi>_<syscall> for all ABIs.
+# A callable macro that expands to a shell command.  Preprocess file $(1)
+# using ABI option $(2) and see which macros it defines.  Print FOO for each
+# macro of the form __NR$(3)_FOO, filtering out ABI-specific __NR macros
+# that have a prefix other than $(3).
+mips_list_syscalls =	$(filter-out -m%,$(CC)) -E -x c $(+includes) \
+			    $(sysincludes) -D_LIBC -dM -mabi=$(2) $(1) | \
+			sed -n 's@^\#define __NR$(3)_\([^ ]*\) .*@\1@p' | \
+			sed -e '/^[ON]32_/d' -e '/^N64_/d' -e '/^64_/d' | \
+			LC_ALL=C sort
+
+# Generate a list of SYS_* macros from the linux __NR macros.
+#
+# Before version 2.6, linux had separate 32-bit and 64-bit MIPS ports,
+# each with its own set of headers.  The ports were merged for 2.6 and
+# this merged port defines the syscalls in a slightly different way.
+# There are therefore three sets of headers that we need to consider:
+#
+#    (1) Headers from the separate 32-bit MIPS port.  They just define
+#	 a single list of __NR macros.
+#
+#    (2) Headers from the separate 64-bit MIPS port.  They unconditionally
+#	 define syscalls for all three ABIs, with o32 syscalls prefixed
+#	 by __NR_O32, n32 syscalls prefixed by __NR_N32 and n64 syscalls
+#	 prefixed by plain __NR.
+#
+#    (3) Headers from the combined port.  They use the _MIPS_SIM macro to
+#	 define the right set of syscalls for the current ABI.  The syscalls
+#	 themselves have no special ABI prefix, but the headers also define:
+#
+#	    __NR_O32_Linux{,_syscalls}
+#	    __NR_N32_Linux{,_syscalls}
+#	    __NR_64_Linux{,_syscalls}
+#
+# In case (1) we just want a simple list of SYS_* macros.  In cases (2)
+# and (3) we want a file that will work for all three ABIs, regardless
+# of which ABI we are currently using.  We also want the file to work
+# if the user later moves from (2) to (3).  Thus the file we create
+# for (2) and (3) has the form:
+#
+#    #if _MIPS_SIM == _MIPS_SIM_NABI32
+#    # ifdef __NR_N32_open
+#    #  define SYS_n32syscall1 __NR_N32_n32syscall1
+#    #  ...
+#    # else
+#    #  define SYS_n32syscall1 __NR_n32syscall1
+#    #  ...
+#    # endif
+#    #elif _MIPS_SIM == _MIPS_SIM_ABI64
+#    # define SYS_n64syscall1 __NR_n64syscall1
+#    # ...
+#    #else
+#    # ifdef __NR_O32_open
+#    #  define SYS_o32syscall1 __NR_O32_o32syscall1
+#    #  ...
+#    # else
+#    #  define SYS_o32syscall1 __NR_o32syscall1
+#    #  ...
+#    # endif
+#    #endif
+#
+# Here, __NR_N32_open and __NR_O32_open are used to detect case (2)
+# over case (3).  The n64 SYS_* macros can always use the normal
+# ABI-less names.
 $(objpfx)syscall-%.h $(objpfx)syscall-%.d: ../sysdeps/unix/sysv/linux/mips/sys/syscall.h
 	$(make-target-directory)
+	$(CC) -E -x c $(+includes) $(sysincludes) -D_LIBC $< -MD -MP \
+	      -MF $(@:.h=.d)-t -MT '$(@:.d=.h) $(@:.h=.d)' > /dev/null
 	{ \
 	 echo '/* Generated at libc build time from kernel syscall list.  */';\
 	 echo ''; \
@@ -22,28 +84,38 @@ $(objpfx)syscall-%.h $(objpfx)syscall-%.d: ../sysdeps/unix/sysv/linux/mips/sys/s
 	 echo '#endif'; \
 	 echo ''; \
 	 echo '#include <sgidefs.h>'; \
-	 rm -f $(@:.d=.h).newt; \
-	 $(CC) -E -MD -MP -MF $(@:.h=.d)-t -MT '$(@:.d=.h) $(@:.h=.d)' \
-	       -x c $(+includes) $(sysincludes) $< -D_LIBC -dM | \
-	 sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' \
-	     > $(@:.d=.h).newt; \
-	 if grep SYS_O32_ $(@:.d=.h).newt > /dev/null; then \
+	 rm -f $(@:.d=.h).new32 $(@:.d=.h).newn32 $(@:.d=.h).new64; \
+	 $(call mips_list_syscalls,$<,n32,_N32) > $(@:.d=.h).newn32; \
+	 if test -s $(@:.d=.h).newn32; then \
+	   if grep open $(@:.d=.h).newn32 > /dev/null; then \
+	     $(call mips_list_syscalls,$<,32,_O32) > $(@:.d=.h).new32; \
+	     $(call mips_list_syscalls,$<,64,) > $(@:.d=.h).new64; \
+	   else \
+	     $(call mips_list_syscalls,$<,32,) > $(@:.d=.h).new32; \
+	     $(call mips_list_syscalls,$<,n32,) > $(@:.d=.h).newn32; \
+	     $(call mips_list_syscalls,$<,64,) > $(@:.d=.h).new64; \
+	   fi; \
 	   echo '#if _MIPS_SIM == _ABIN32'; \
-	   sed -n 's/^\(#define SYS_\)N32_/\1/p' < $(@:.d=.h).newt | \
-		LC_ALL=C sort; \
+	   echo '# ifdef __NR_N32_open'; \
+	   sed 's@\(.*\)@#  define SYS_\1 __NR_N32_\1@' < $(@:.d=.h).newn32; \
+	   echo '# else'; \
+	   sed 's@\(.*\)@#  define SYS_\1 __NR_\1@' < $(@:.d=.h).newn32; \
+	   echo '# endif'; \
 	   echo '#elif _MIPS_SIM == _ABI64'; \
-	   sed -n 's/^\(#define SYS_\)N64_/\1/p' < $(@:.d=.h).newt | \
-		LC_ALL=C sort; \
+	   sed 's@\(.*\)@# define SYS_\1 __NR_\1@' < $(@:.d=.h).new64; \
 	   echo '#else'; \
-	   sed -n 's/^\(#define SYS_\)O32_/\1/p' < $(@:.d=.h).newt | \
-		LC_ALL=C sort; \
+	   echo '# ifdef __NR_O32_open'; \
+	   sed 's@\(.*\)@#  define SYS_\1 __NR_O32_\1@' < $(@:.d=.h).new32; \
+	   echo '# else'; \
+	   sed 's@\(.*\)@#  define SYS_\1 __NR_\1@' < $(@:.d=.h).new32; \
+	   echo '# endif'; \
 	   echo '#endif'; \
-	   sed -n '/^#define SYS_\([ON]32\|N64\)_/p' < $(@:.d=.h).newt | \
-		LC_ALL=C sort +1.8; \
 	 else \
-	   cat $(@:.d=.h).newt; \
+	   $(CC) -E -x c $(+includes) $(sysincludes) -D_LIBC -dM $< | \
+	   sed -n 's@^\#define __NR_\([^ ]*\) .*@\#define SYS_\1 __NR_\1@p' | \
+	   LC_ALL=C sort; \
 	 fi; \
-	 rm $(@:.d=.h).newt; \
+	 rm -f $(@:.d=.h).new32 $(@:.d=.h).newn32 $(@:.d=.h).new64; \
 	} > $(@:.d=.h).new
 	mv -f $(@:.d=.h).new $(@:.d=.h)
 ifneq (,$(objpfx))
diff --git a/sysdeps/unix/sysv/linux/mips/configure b/sysdeps/unix/sysv/linux/mips/configure
index c081795aa1..4d9568f001 100755
--- a/sysdeps/unix/sysv/linux/mips/configure
+++ b/sysdeps/unix/sysv/linux/mips/configure
@@ -18,7 +18,7 @@ mips*64*)
     { echo "$as_me:$LINENO: WARNING: *** asm/unistd.h not found, it will not be pre-processed" >&5
 echo "$as_me: WARNING: *** asm/unistd.h not found, it will not be pre-processed" >&2;}
     echo '#include <asm/unistd.h>' > asm-unistd.h
-  else
+  elif grep __NR_N32_open "$asm_unistd_h" > /dev/null; then
     # The point of this preprocessing is to turn __NR_<syscall> into
     # __NR_N64_<syscall>, as well as to define __NR_<syscall> to
     # __NR_<abi>_<syscall>, if __NR_<abi>_<syscall> is defined
@@ -68,6 +68,8 @@ BEGIN { print "#include <sgidefs.h>"; }
 {
 	print;
 }'
+  else
+    echo '#include <asm/unistd.h>' > asm-unistd.h
   fi ;;
 mips*)
   rm -f asm-unistd.h
diff --git a/sysdeps/unix/sysv/linux/mips/configure.in b/sysdeps/unix/sysv/linux/mips/configure.in
index 67d965dfda..e2e5d16c55 100644
--- a/sysdeps/unix/sysv/linux/mips/configure.in
+++ b/sysdeps/unix/sysv/linux/mips/configure.in
@@ -18,7 +18,7 @@ mips*64*)
   if test ! -f "$asm_unistd_h"; then
     AC_MSG_WARN([*** asm/unistd.h not found, it will not be pre-processed])
     echo '#include <asm/unistd.h>' > asm-unistd.h
-  else
+  elif grep __NR_N32_open "$asm_unistd_h" > /dev/null; then
     # The point of this preprocessing is to turn __NR_<syscall> into
     # __NR_N64_<syscall>, as well as to define __NR_<syscall> to
     # __NR_<abi>_<syscall>, if __NR_<abi>_<syscall> is defined
@@ -68,6 +68,8 @@ BEGIN { print "#include <sgidefs.h>"; }
 {
 	print;
 }'
+  else
+    echo '#include <asm/unistd.h>' > asm-unistd.h
   fi ;;
 mips*)
   rm -f asm-unistd.h
diff --git a/sysdeps/unix/sysv/linux/mips/mips32/kern64/sysdep.h b/sysdeps/unix/sysv/linux/mips/mips32/kern64/sysdep.h
index b0316b657b..e69de29bb2 100644
--- a/sysdeps/unix/sysv/linux/mips/mips32/kern64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/mips/mips32/kern64/sysdep.h
@@ -1,36 +0,0 @@
-/* Copyright (C) 2000, 2002, 2003 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, write to the Free
-   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
-   02111-1307 USA.  */
-
-#ifndef _LINUX_MIPS_MIPS32_KERN64_SYSDEP_H
-#define _LINUX_MIPS_MIPS32_KERN64_SYSDEP_H 1
-
-/* There is some commonality.  */
-#include <sysdeps/unix/sysv/linux/mips/mips32/sysdep.h>
-
-/* For Linux we can use the system call table in the header file
-	/usr/include/asm/unistd.h
-   of the kernel.  But these symbols do not follow the SYS_* syntax
-   so we have to redefine the `SYS_ify' macro here.  */
-#undef SYS_ify
-#ifdef __STDC__
-# define SYS_ify(syscall_name)	__NR_O32_##syscall_name
-#else
-# define SYS_ify(syscall_name)	__NR_O32_/**/syscall_name
-#endif
-
-#endif /* linux/mips/mips32/kern64/sysdep.h */
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h b/sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h
index be343aabca..e316ef44ce 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n32/sysdep.h
@@ -28,9 +28,9 @@
    so we have to redefine the `SYS_ify' macro here.  */
 #undef SYS_ify
 #ifdef __STDC__
-# define SYS_ify(syscall_name)	__NR_N32_##syscall_name
+# define SYS_ify(syscall_name)	__NR_##syscall_name
 #else
-# define SYS_ify(syscall_name)	__NR_N32_/**/syscall_name
+# define SYS_ify(syscall_name)	__NR_/**/syscall_name
 #endif
 
 #ifdef __ASSEMBLER__
diff --git a/sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h b/sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h
index f30a465081..824a92752b 100644
--- a/sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/mips/mips64/n64/sysdep.h
@@ -28,9 +28,9 @@
    so we have to redefine the `SYS_ify' macro here.  */
 #undef SYS_ify
 #ifdef __STDC__
-# define SYS_ify(syscall_name)	__NR_N64_##syscall_name
+# define SYS_ify(syscall_name)	__NR_##syscall_name
 #else
-# define SYS_ify(syscall_name)	__NR_N64_/**/syscall_name
+# define SYS_ify(syscall_name)	__NR_/**/syscall_name
 #endif
 
 #ifdef __ASSEMBLER__